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  1. MariaDB MaxScale
  2. MXS-4403

Memory leak in 6.4.2

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Cannot Reproduce
    • 6.4.2, 6.4.4
    • N/A
    • maxbase
    • None
    • Debian OS 11.3
    • MXS-SPRINT-171, MXS-SPRINT-172, MXS-SPRINT-173, MXS-SPRINT-174, MXS-SPRINT-179, MXS-SPRINT-180, MXS-SPRINT-181, MXS-SPRINT-182, MXS-SPRINT-183, MXS-SPRINT-204, MXS-SPRINT-205, MXS-SPRINT-206, MXS-SPRINT-207, MXS-SPRINT-208

    Description

      Hi Team,

      We see a linear increase of ram usage, finally crashing maxscale at 100% ram usage..

      The maxscale process was killed by the oom_killer.. Here I have attached the maxsclae config file and memory usage graphs.. Please check it..

      Attachments

        Issue Links

          split to

          Bug - A problem which impairs or prevents the functions of the product. MXS-5103 query_classifier_cache_size=0 with short connections appears to leak memory

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

          Activity

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            markus makela markus makela added a comment -

            I closed this and split off MXS-5103 for the problem that has been observed with lazy_connect=true.

            markus makela markus makela added a comment - I closed this and split off MXS-5103 for the problem that has been observed with lazy_connect=true .
            markus makela markus makela added a comment -

            This could be explained by MXS-4726 if the client application used a connection pool to a readconnroute service.

            markus makela markus makela added a comment - This could be explained by MXS-4726 if the client application used a connection pool to a readconnroute service.
            markus makela markus makela added a comment -

            Ah, in that case you might be seeing a different problem. naresh.chandra@copart.com can you open a new bug report for the increase in memory usage with schemarouter? I think it would be better to track it separately from this issue which focuses on readwritesplit.

            markus makela markus makela added a comment - Ah, in that case you might be seeing a different problem. naresh.chandra@copart.com can you open a new bug report for the increase in memory usage with schemarouter? I think it would be better to track it separately from this issue which focuses on readwritesplit.
            naresh.chandra@copart.com Naresh Chandra added a comment -

            markus makela,

            Actually, we have disabled the transaction_replay settings and we are using the schema router service.

            naresh.chandra@copart.com Naresh Chandra added a comment - markus makela, Actually, we have disabled the transaction_replay settings and we are using the schema router service.
            markus makela markus makela added a comment -

            naresh.chandra@copart.com Can you try if adding transaction_replay_max_size=1Mi into the configuration fixes the problem for you?

            markus makela markus makela added a comment - naresh.chandra@copart.com Can you try if adding transaction_replay_max_size=1Mi into the configuration fixes the problem for you?
            naresh.chandra@copart.com Naresh Chandra added a comment - - edited

            Even, I have seen the same issue in the Maxscale 22.08 version as well. I have faced the same OOM error.

            naresh.chandra@copart.com Naresh Chandra added a comment - - edited Even, I have seen the same issue in the Maxscale 22.08 version as well. I have faced the same OOM error.

            People

              markus makela markus makela
              ponsuresh.pandians Pon Suresh Pandian (Inactive)
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              Watchers:
              9 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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